DE69219718D1 - Digitales Datenkodierungs-und Dekodierungsgerät mit hoher Wirksamkeit - Google Patents

Digitales Datenkodierungs-und Dekodierungsgerät mit hoher Wirksamkeit

Info

Publication number
DE69219718D1
DE69219718D1 DE69219718T DE69219718T DE69219718D1 DE 69219718 D1 DE69219718 D1 DE 69219718D1 DE 69219718 T DE69219718 T DE 69219718T DE 69219718 T DE69219718 T DE 69219718T DE 69219718 D1 DE69219718 D1 DE 69219718D1
Authority
DE
Germany
Prior art keywords
circuit
frames
response
input signal
digital input
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69219718T
Other languages
English (en)
Other versions
DE69219718T2 (de
Inventor
Kyoya Tsutsui
Osamu Shimoyoshi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP03091183A external-priority patent/JP3089690B2/ja
Priority claimed from JP03091185A external-priority patent/JP3089691B2/ja
Application filed by Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of DE69219718D1 publication Critical patent/DE69219718D1/de
Publication of DE69219718T2 publication Critical patent/DE69219718T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/0212—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders using orthogonal transformation
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00007—Time or data compression or expansion
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10527—Audio or video recording; Data buffering arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
    • H04B1/665—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission using psychoacoustic properties of the ear, e.g. masking effect
DE69219718T 1991-03-29 1992-03-27 Digitales Datenkodierungs-und Dekodierungsgerät mit hoher Wirksamkeit Expired - Fee Related DE69219718T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP03091183A JP3089690B2 (ja) 1991-03-29 1991-03-29 ディジタルデータの高能率符号化方法
JP03091185A JP3089691B2 (ja) 1991-03-29 1991-03-29 ディジタルデータの高能率符号化方法
PCT/JP1992/000387 WO1992017884A1 (en) 1991-03-29 1992-03-27 High efficiency digital data encoding and decoding apparatus

Publications (2)

Publication Number Publication Date
DE69219718D1 true DE69219718D1 (de) 1997-06-19
DE69219718T2 DE69219718T2 (de) 1997-10-02

Family

ID=26432643

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69219718T Expired - Fee Related DE69219718T2 (de) 1991-03-29 1992-03-27 Digitales Datenkodierungs-und Dekodierungsgerät mit hoher Wirksamkeit

Country Status (18)

Country Link
US (1) US5414795A (de)
EP (1) EP0537361B1 (de)
KR (1) KR100293855B1 (de)
CN (1) CN1030129C (de)
AT (1) ATE153165T1 (de)
AU (2) AU648656B2 (de)
BR (1) BR9204820A (de)
CA (1) CA2083713C (de)
DE (1) DE69219718T2 (de)
DK (1) DK0537361T3 (de)
EG (1) EG20351A (de)
FI (1) FI112979B (de)
HU (1) HU213963B (de)
NO (1) NO306007B1 (de)
PT (1) PT100309B (de)
TR (1) TR25961A (de)
WO (1) WO1992017884A1 (de)
ZA (1) ZA921988B (de)

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Also Published As

Publication number Publication date
FI925401A0 (fi) 1992-11-27
HU213963B (en) 1997-11-28
CA2083713A1 (en) 1992-09-30
WO1992017884A1 (en) 1992-10-15
NO306007B1 (no) 1999-08-30
DE69219718T2 (de) 1997-10-02
HU9203758D0 (en) 1993-04-28
DK0537361T3 (da) 1997-06-09
HUT63269A (en) 1993-07-28
KR100293855B1 (ko) 2001-09-17
CA2083713C (en) 2003-08-19
EG20351A (en) 1999-01-31
PT100309B (pt) 1999-04-30
AU5516894A (en) 1994-04-28
ATE153165T1 (de) 1997-05-15
EP0537361A1 (de) 1993-04-21
PT100309A (pt) 1994-04-29
BR9204820A (pt) 1993-07-13
US5414795A (en) 1995-05-09
CN1030129C (zh) 1995-10-18
FI112979B (fi) 2004-02-13
KR930700945A (ko) 1993-03-16
NO924551L (no) 1993-01-25
CN1068689A (zh) 1993-02-03
EP0537361B1 (de) 1997-05-14
NO924551D0 (no) 1992-11-25
ZA921988B (en) 1993-02-24
AU648656B2 (en) 1994-04-28
FI925401A (fi) 1992-11-27
TR25961A (tr) 1993-11-01
AU1448992A (en) 1992-11-02
AU670655B2 (en) 1996-07-25

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